A new internal leak from Google DeepMind suggests that Gemini 3 Ultra — the next flagship model expected early 2026 — delivers a major leap in reasoning accuracy, long-context retention, and multimodal speed.
According to the leaked benchmark slides circulated among researchers, Gemini 3 Ultra reportedly surpasses both GPT-4.1 and Meta’s Llama 4 Maverick in several advanced tasks.
What the leak says: the biggest improvements
The early benchmark screenshots highlight three major jumps:
- 🔹 +28% improvement in chain-of-thought reasoning accuracy
- 🔹 Massively faster multimodal inference for video + text tasks
- 🔹 New 20M token context window for long-range analysis
• GPT-4.1 Reasoning Score: 86 → Gemini 3 Ultra: 93
• Llama 4 Maverick: 89
• New “Ultra Vision” module 2.4× faster on video tasks
How does Gemini 3 Ultra compare to GPT-4 and Llama 4?
If the numbers are accurate, Gemini 3 Ultra positions itself at the top of the current AI hierarchy. Google is trying to regain the lead from OpenAI and Meta after a year of tight competition.
- vs GPT-4.1: stronger reasoning + larger context
- vs Llama 4 Maverick: faster multimodal inference
- vs DeepSeek R1: more stable long-context performance
Why this matters for developers & small AI projects
A model with a 20M-token context window allows:
- full-repository analysis
- hour-long video understanding
- multi-day chat retention
- large-scale reasoning chains
Even indie systems like NovaryonAI — the Hungarian one-sentence AI gate — could experiment with Ultra-class reasoning modules through API integrations.
Is the leak real?
Google has not confirmed the information, but several credible researchers noted the document matches previous internal slide formats used by DeepMind.
If true, Gemini 3 Ultra may be the most capable public model of early 2026.
This article will be updated as new information becomes available.